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kicyunya [14]
3 years ago
12

What is the reciprocal fo -2/3​

Mathematics
1 answer:
stich3 [128]3 years ago
7 0

Answer:

-3/2

Step-by-step explanation:

the reciprocal is just a different fraction, with the numbers "flipped" upside down (inverted)

hope it helps:)

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1/3x=5/12 show your work
insens350 [35]

Answer:

4/5 or 0.8

Step-by-step explanation:

1/3x = 5/12

<em>cross</em><em> </em><em>multiply</em>

(12×1) = (5×3x)

<em>divide</em><em> </em><em>through</em> <em>by</em> <em>1</em><em>5</em>

x = 12/15

x = 4/5 <em>o</em><em>r</em><em> </em>0.8

3 0
3 years ago
What is the irrational number in This set: 12.89, square root of 12 and 12/144 ?
kifflom [539]
Good night, 

<span>Irrational numbers are those that can't be expressed as a fraction:

12.89 can be expressed as: </span>\frac{1289}{100}

\frac{12}{144}= \frac{1}{12}

<span>The above numbers can be expressed as a fraction, then the logical answer is: </span>\sqrt{12}

But we will check the answer: 

\sqrt{12}= \sqrt{2^{2}*3 }  =2* \sqrt{3} =3.4641016...

As you can see we can't express that number as a fraction, so that is te correct answer.

6 0
3 years ago
If a b = 3a + 2b. What is 3* 2?<br>A 12<br>B13<br>C5<br>D 6​
ss7ja [257]

Answer:

The answer is D 6

Step-by-step explanation:

Multiply 3x2 and it equals 6

6 0
2 years ago
Read 2 more answers
If the area of a square is 100 cm2, what is the perimeter?<br>​
Vitek1552 [10]

Answer:

40

Step-by-step explanation:

To find the perimeter, first we need to find the side lengths.

If 100 cm is the area then we need to find what number squared is 100

10 x 10 = 100

So 10 is the side length. P= s + s + s +s

10 + 10 + 10 +10 = 40

6 0
2 years ago
What is the distance between (-7,-4) and (4, 5)?
kherson [118]

Answer:

Answer is √202 or 14.21267

Step-by-step explanation:

d^2=(4−(−7))2+(5−(−4))2

d^2=(11)2+(9)2√

d^2=121+81

d^2=2–√202

d= 12.21267

8 0
3 years ago
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